Add rejectUnauthorized option to `ws` types

[motiz88]

Summary: Changelog: [Internal]

Adds a Flow definition that allows passing the rejectUnauthorized option to a WebSocket client. (See example usage in the ws repo.)

Differential Revision: D51014312

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D51014312

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D51014312

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (d1b0015) 83.09% compared to head (5aee931) 83.09%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1133 +/- ## ======================================= Coverage 83.09% 83.09% ======================================= Files 206 206 Lines 10547 10547 Branches 2617 2617 ======================================= Hits 8764 8764 Misses 1783 1783 ```

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[facebook-github-bot]

This pull request has been merged in facebook/metro@187aa2cde5d0a970abefdafa74a6a23765284915.